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Line 38... |
// --------------------------------------------------------------------
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// --------------------------------------------------------------------
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//
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//
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class altera_pcie_transaction;
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class altera_pcie_transaction;
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tlp_header_class hd_h;
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tlp_header_class hd_h;
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byte packet[];
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byte data[];
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bit tlp_always_packed;
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//--------------------------------------------------------------------
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//--------------------------------------------------------------------
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//
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//
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function new(tlp_header_class hd_h, bit qword_aligned);
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function bit is_qword_aligned;
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this.hd_h = hd_h;
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is_qword_aligned = ~hd_h.address[2];
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if(qword_aligned & hd_h.fmt_type[5] == 0)
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endfunction: is_qword_aligned
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if(hd_h.length == 0)
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this.packet = new[1024 + 1];
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//--------------------------------------------------------------------
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//
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function bit is_tlp_packed;
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if(tlp_always_packed)
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return(1);
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if(hd_h.is_3_dw)
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if(is_qword_aligned)
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return(0);
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else
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else
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this.packet = new[hd_h.length + 1];
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return(1);
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else // is_4_dw
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if(is_qword_aligned)
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return(1);
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else
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else
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if(hd_h.length == 0)
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return(0);
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this.packet = new[1024];
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endfunction: is_tlp_packed
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//--------------------------------------------------------------------
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//
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function void init(tlp_header_class hd_h);
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this.hd_h = hd_h;
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endfunction: init
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// --------------------------------------------------------------------
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// Memory Read Request
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function void make_MRd
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(
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logic [63:0] address,
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logic [9:0] length,
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bit use_64_addr = 0
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);
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hd_h = new(use_64_addr ? DW_4_NO_DATA : DW_3_NO_DATA, MRd, length);
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hd_h.set_address(address);
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init(hd_h);
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data.delete();
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endfunction: make_MRd
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// --------------------------------------------------------------------
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// Memory Write Request
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function void make_MWr
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(
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logic [63:0] address,
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byte data[],
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bit use_64_addr = 0
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);
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logic [9:0] length = (data.size() > 1023) ? 0 : data.size();
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hd_h = new(use_64_addr ? DW_4_DATA : DW_3_DATA, MWr, length);
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init(hd_h);
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this.data = data;
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hd_h.set_address(address);
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endfunction: make_MWr
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// --------------------------------------------------------------------
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//
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function tpl_packet_t make_packet;
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byte h0[4] = {<
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byte h1[4] = {<
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byte h2[4] = {<
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byte h3[4] = {<
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byte pad[4] = '{8'hxx, 8'hxx, 8'hxx, 8'hxx};
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byte header[];
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if(hd_h.is_4_dw)
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begin
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h3 = {<
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header = {h0, h1, h2, h3};
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end
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else
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header = {h0, h1, h2};
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if(data.size() == 0)
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make_packet = header;
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else if(is_tlp_packed)
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make_packet = {header, data};
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else
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else
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this.packet = new[hd_h.length];
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make_packet = {header, pad, data};
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// else if(hd_h.is_3_dw)
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// if(is_qword_aligned)
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// make_packet = {header, pad, data};
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// else
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// make_packet = {header, data};
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// else // is_4_dw
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// if(is_qword_aligned)
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// make_packet = {header, data};
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// else
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// make_packet = {header, pad, data};
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endfunction: make_packet
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// --------------------------------------------------------------------
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//
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function tpl_packet_t get_MRd
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(
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logic [63:0] address,
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logic [9:0] length,
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bit use_64_addr = 0
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);
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make_MRd(address, length, use_64_addr);
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return(make_packet());
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endfunction: get_MRd
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// --------------------------------------------------------------------
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//
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function tpl_packet_t get_counting_MWr
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(
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logic [63:0] address,
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int size,
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bit use_64_addr = 0
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);
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byte data[];
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data = new[size];
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foreach(data[i])
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data[i] = i;
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make_MWr(address, data, use_64_addr);
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return(make_packet());
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endfunction: get_counting_MWr
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//--------------------------------------------------------------------
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//
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function new(bit tlp_always_packed = 0);
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this.tlp_always_packed = tlp_always_packed;
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endfunction: new
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endfunction: new
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// --------------------------------------------------------------------
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// --------------------------------------------------------------------
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//
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//
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